Method and apparatus for reloading a pilgering mill

Details Method and apparatus for reloading a pilgering mill Method and apparatus for reloading a pilgering mill

1989-01-17

1990-06-05

Combs, E. Michael

Metal deforming

By use of roller or roller-like tool-element

With tool inside hollow work

72214, B21B 1706, B21B 2100

Patent

active

049303287

ABSTRACT:
A method and apparatus for loading hollow workpieces into a pilgering mill. The pilgering mill includes a reciprocating roll stand having a pair of metal forming rolls, a mandrel for insertion into a workpiece, and a mechanism for clamping the workpiece with various degrees of pressure. During loading and unloading of the mill, the workpiece is restricted from movement within the pilgering mill according to the various pressures applied to the workpiece by the clamping mechanism.

REFERENCES:
patent: 3030835 (1962-04-01), Krause
patent: 3570294 (1971-03-01), Shibata
patent: 4090386 (1978-05-01), Naylor et al.
patent: 4157025 (1979-06-01), Vydrin et al.
patent: 4233834 (1980-11-01), Matinlassi
patent: 4641513 (1987-02-01), Peytavin
patent: 4655068 (1987-04-01), Schemel

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